diff options
Diffstat (limited to 'c/src/lib/libbsp/i386/force386')
| -rw-r--r-- | c/src/lib/libbsp/i386/force386/clock/ckinit.c | 75 | ||||
| -rw-r--r-- | c/src/lib/libbsp/i386/force386/console/console.c | 219 | ||||
| -rw-r--r-- | c/src/lib/libbsp/i386/force386/include/bsp.h | 156 | ||||
| -rw-r--r-- | c/src/lib/libbsp/i386/force386/include/coverhd.h | 104 | ||||
| -rw-r--r-- | c/src/lib/libbsp/i386/force386/shmsupp/addrconv.c | 32 | ||||
| -rw-r--r-- | c/src/lib/libbsp/i386/force386/shmsupp/getcfg.c | 73 | ||||
| -rw-r--r-- | c/src/lib/libbsp/i386/force386/shmsupp/lock.c | 83 | ||||
| -rw-r--r-- | c/src/lib/libbsp/i386/force386/shmsupp/mpisr.c | 31 | ||||
| -rw-r--r-- | c/src/lib/libbsp/i386/force386/startup/bspstart.c | 144 | ||||
| -rw-r--r-- | c/src/lib/libbsp/i386/force386/startup/exit.c | 29 | ||||
| -rw-r--r-- | c/src/lib/libbsp/i386/force386/startup/ldsegs.s | 86 | ||||
| -rw-r--r-- | c/src/lib/libbsp/i386/force386/startup/linkcmds | 44 | ||||
| -rw-r--r-- | c/src/lib/libbsp/i386/force386/startup/setvec.c | 59 | ||||
| -rw-r--r-- | c/src/lib/libbsp/i386/force386/timer/timer.c | 96 | ||||
| -rw-r--r-- | c/src/lib/libbsp/i386/force386/timer/timerisr.s | 34 |
15 files changed, 0 insertions, 1265 deletions
diff --git a/c/src/lib/libbsp/i386/force386/clock/ckinit.c b/c/src/lib/libbsp/i386/force386/clock/ckinit.c deleted file mode 100644 index 45400dbd49..0000000000 --- a/c/src/lib/libbsp/i386/force386/clock/ckinit.c +++ /dev/null @@ -1,75 +0,0 @@ -/* Clock_initialize - * - * This routine initializes the Motorola MFP 68901 on the - * FORCE CPU386 board. The tick frequency is 1 millisecond. - * - * Input parameters: NONE - * - * Output parameters: NONE - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include <bsp.h> -#include <clockdrv.h> -#include <stdlib.h> - -volatile rtems_unsigned32 Clock_driver_ticks; -rtems_unsigned32 Clock_isrs; /* ISRs until next tick */ -rtems_isr_entry Old_ticker; - -rtems_device_driver Clock_initialize( - rtems_device_major_number major, - rtems_device_minor_number minor, - void *pargp, - rtems_id tid, - rtems_unsigned32 *rval -) -{ - Install_clock( Clock_isr ); -} - -void ReInstall_clock( - rtems_isr_entry clock_isr -) -{ - rtems_unsigned32 isrlevel = 0; - - rtems_interrupt_disable( isrlevel ); - (void) set_vector( clock_isr, 0x38, 1 ); - rtems_interrupt_enable( isrlevel ); -} - -void Install_clock( - rtems_isr_entry clock_isr -) -{ - Clock_driver_ticks = 0; - Clock_isrs = BSP_Configuration.microseconds_per_tick / 1000; - - if ( BSP_Configuration.ticks_per_timeslice ) { - Old_ticker = ( rtems_isr_entry ) set_vector( clock_isr, 0x38, 1 ); - outport_byte( TBCR, 0x14 ); /* reset it, delay mode, 50X */ - outport_byte( TBDR, 0x50 ); /* 1 millisecond */ - outport_byte( IERA, 0x41 ); /* enable interrupt for B */ - } - atexit( Clock_exit ); -} - -void Clock_exit( void ) -{ - if ( BSP_Configuration.ticks_per_timeslice ) { - outport_byte( TBCR, 0x00 ); /* initial value */ - outport_byte( IERA, 0x40 ); /* disable interrupt */ - /* ??? Is "do not restore old vector" causing problems? */ - } -} - diff --git a/c/src/lib/libbsp/i386/force386/console/console.c b/c/src/lib/libbsp/i386/force386/console/console.c deleted file mode 100644 index f1f019c487..0000000000 --- a/c/src/lib/libbsp/i386/force386/console/console.c +++ /dev/null @@ -1,219 +0,0 @@ -/* - * This file contains the Force CPU386 console IO package. - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#define F386_INIT - -#include <stdlib.h> - -#include <rtems.h> -#include "console.h" -#include "bsp.h" - -/* console_cleanup - * - * This routine is called at exit to clean up the console hardware. - * - * Input parameters: NONE - * - * Output parameters: NONE - * - * Return values: - */ - -void console_cleanup( void ) -{ - register rtems_unsigned8 ignored; - /* - * FORCE technical support mentioned that it may be necessary to - * read the DUSCC RX_BUFFER port four times to remove all junk. - * This code is a little more paranoid. - */ - - inport_byte( RX_BUFFER, ignored ); - inport_byte( RX_BUFFER, ignored ); - inport_byte( RX_BUFFER, ignored ); - inport_byte( RX_BUFFER, ignored ); - inport_byte( RX_BUFFER, ignored ); -} - -/* console_initialize - * - * This routine initializes the console IO driver. - * - * Input parameters: NONE - * - * Output parameters: NONE - * - * Return values: - */ - -rtems_device_driver console_initialize( - rtems_device_major_number major, - rtems_device_minor_number minor, - void *arg, - rtems_id self, - rtems_unsigned32 *status -) -{ - /* - * flush the console now and at exit. Just in case. - */ - - console_cleanup(); - - atexit( console_cleanup ); -} - - -/* is_character_ready - * - * This routine returns TRUE if a character is available. - * - * Input parameters: NONE - * - * Output parameters: NONE - * - * Return values: - */ - -rtems_boolean is_character_ready( - char *ch -) -{ - register rtems_unsigned8 status; - - inport_byte( RX_STATUS, status ); - - if ( Is_rx_ready( status ) ) { - inport_byte( RX_BUFFER, status ); - *ch = status; - return TRUE; - } - return FALSE; -} - -/* inbyte - * - * This routine reads a character from the UART. - * - * Input parameters: NONE - * - * Output parameters: NONE - * - * Return values: - * character read from UART - */ - -char inbyte( void ) -{ - register rtems_unsigned8 status; - char ch; - - do { - inport_byte( RX_STATUS, status ); - } while ( !Is_rx_ready( status ) ); - -#if ( PORTB == 1 ) - /* - * Force example code resets the Channel B Receiver here. - * It appears to cause XON's to be lost. - */ - - /* outport_byte( RX_STATUS, 0x10 ); */ -#endif - - inport_byte( RX_BUFFER, ch ); - - return ch; -} - -/* outbyte - * - * This routine transmits a character out the port. It supports - * XON/XOFF flow control. - * - * Input parameters: - * ch - character to be transmitted - * - * Output parameters: NONE - */ - -void outbyte( - char ch -) -{ - rtems_unsigned8 status; - - do { - inport_byte( TX_STATUS, status ); - } while ( !Is_tx_ready( status ) ); - -#if 0 - while ( is_character_ready( &status ) == TRUE ) { /* must be an XOFF */ - if ( status == XOFF ) - do { - while ( is_character_ready( &status ) == FALSE ) ; - } while ( status != XON ); - } -#endif - - outport_byte( TX_BUFFER, ch ); -} - -/* - * __read -- read bytes from the serial port. Ignore fd, since - * we only have stdin. - */ - -int __read( - int fd, - char *buf, - int nbytes -) -{ - int i = 0; - - for (i = 0; i < nbytes; i++) { - *(buf + i) = inbyte(); - if ((*(buf + i) == '\n') || (*(buf + i) == '\r')) { - (*(buf + i++)) = '\n'; - (*(buf + i)) = 0; - break; - } - } - return (i); -} - -/* - * __write -- write bytes to the serial port. Ignore fd, since - * stdout and stderr are the same. Since we have no filesystem, - * open will only return an error. - */ - -int __write( - int fd, - char *buf, - int nbytes -) -{ - int i; - - for (i = 0; i < nbytes; i++) { - if (*(buf + i) == '\n') { - outbyte ('\r'); - } - outbyte (*(buf + i)); - } - return (nbytes); -} diff --git a/c/src/lib/libbsp/i386/force386/include/bsp.h b/c/src/lib/libbsp/i386/force386/include/bsp.h deleted file mode 100644 index b9b050b3c6..0000000000 --- a/c/src/lib/libbsp/i386/force386/include/bsp.h +++ /dev/null @@ -1,156 +0,0 @@ -/* bsp.h - * - * This include file definitions related to the Force CPU-386 board. - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#ifndef __FORCE386_h -#define __FORCE386_h - -#ifdef __cplusplus -extern "C" { -#endif - -#include <rtems.h> -#include <iosupp.h> - -/* - * Define the time limits for RTEMS Test Suite test durations. - * Long test and short test duration limits are provided. These - * values are in seconds and need to be converted to ticks for the - * application. - * - */ - -#define MAX_LONG_TEST_DURATION 300 /* 5 minutes = 300 seconds */ -#define MAX_SHORT_TEST_DURATION 3 /* 3 seconds */ - -/* - * Define the interrupt mechanism for Time Test 27 - * - * NOTE: Use a software interrupt for the i386. - */ - -#define MUST_WAIT_FOR_INTERRUTPT 0 - -#define Install_tm27_vector( handler ) set_vector( (handler), 0x90, 1 ) - -#define Cause_tm27_intr() asm volatile( "int $0x90" : : ); - -#define Clear_tm27_intr() - -#define Lower_tm27_intr() - -/* - * Simple spin delay in microsecond units for device drivers. - * This is very dependent on the clock speed of the target. - */ - -#define delay( _microseconds ) \ - { \ - rtems_unsigned32 _counter; \ - \ - _counter = (_microseconds); \ - \ - asm volatile ( "0: nop;" \ - " mov %0,%0 ;" \ - " loop 0b" : "=c" (_counter) \ - : "0" (_counter) \ - ); \ - \ - } - -/* Constants */ - -#define RAM_START 0 -#define RAM_END 0x100000 - -/* I/O addressing */ - -/* - * The following determines whether Port B or the Console should - * be used for test I/O. Setting ONE (and only ONE) of these to 1 - * enables I/O on that port. - * - * PORT A - DUSCC MC68562 Channel A - * PORT B - DUSCC MC68562 Channel B - * PORT C - MFP MC68901 Channel (*** FORCEbug console ***) - */ - -#define PORTB 1 /* use port b as test port */ -#define PORTC 0 /* use console port as test port */ - -#if ( PORTB == 1 ) -#define TX_STATUS 0x1b6 /* DUSCC General Status Register */ -#define RX_STATUS 0x1b6 /* DUSCC General Status Register */ -#define TX_BUFFER 0x1e0 /* DUSCC Transmitter Channel B */ -#define RX_BUFFER 0x1e8 /* DUSCC Receiver Channel B */ -#define Is_tx_ready( _status ) ( (_status) & 0x20 ) -#define Is_rx_ready( _status ) ( (_status) & 0x10 ) -#endif - -#if ( PORTC == 1 ) -#define TX_STATUS 0x12c /* MFP Transmit Status Register */ -#define RX_STATUS 0x12a /* MFP Receive Status Register */ -#define TX_BUFFER 0x12e /* MFP Transmitter Channel */ -#define RX_BUFFER 0x12e /* MFP Receiver Channel */ -#define Is_tx_ready( _status ) ( (_status) & 0x80 ) -#define Is_rx_ready( _status ) ( (_status) & 0x80 ) -#endif - -/* Timer constants */ - -#define IERA 0x106 /* Interrupt Enable Register A */ -#define IMRA 0x112 /* Interrupt Mask Register A */ -#define TACR 0x118 /* Timer A Control Register */ -#define TADR 0x11e /* Timer A Data Register */ - -#define IERB 0x108 /* Interrupt Enable Register B */ -#define TBCR 0x11a /* Timer B Control Register */ -#define TBDR 0x120 /* Timer B Data Register */ - -/* Structures */ - -#ifdef F386_INIT -#undef BSP_EXTERN -#define BSP_EXTERN -#else -#undef BSP_EXTERN -#define BSP_EXTERN extern -#endif - -/* miscellaneous stuff assumed to exist */ - -extern rtems_configuration_table BSP_Configuration; - -extern i386_IDT_slot Interrupt_descriptor_table[ 256 ]; -extern i386_GDT_slot Global_descriptor_table[ 8192 ]; - -BSP_EXTERN unsigned short Idt[3]; /* Interrupt Descriptor Table Address */ -BSP_EXTERN unsigned short Gdt[3]; /* Global Descriptor Table Address */ -BSP_EXTERN unsigned int Idt_base; -BSP_EXTERN unsigned int Gdt_base; - -/* routines */ - -i386_isr set_vector( - rtems_isr_entry handler, - rtems_vector_number vector, - int type -); - -#ifdef __cplusplus -} -#endif - -#endif -/* end of include file */ diff --git a/c/src/lib/libbsp/i386/force386/include/coverhd.h b/c/src/lib/libbsp/i386/force386/include/coverhd.h deleted file mode 100644 index 7ec7cb2ebc..0000000000 --- a/c/src/lib/libbsp/i386/force386/include/coverhd.h +++ /dev/null @@ -1,104 +0,0 @@ -/* coverhd.h - * - * This include file has defines to represent the overhead associated - * with calling a particular directive from C on this target. - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#ifndef __COVERHD_h -#define __COVERHD_h - -#ifdef __cplusplus -extern "C" { -#endif - -#define CALLING_OVERHEAD_INITIALIZE_EXECUTIVE 3 -#define CALLING_OVERHEAD_SHUTDOWN_EXECUTIVE 3 -#define CALLING_OVERHEAD_TASK_CREATE 4 -#define CALLING_OVERHEAD_TASK_IDENT 4 -#define CALLING_OVERHEAD_TASK_START 4 -#define CALLING_OVERHEAD_TASK_RESTART 3 -#define CALLING_OVERHEAD_TASK_DELETE 3 -#define CALLING_OVERHEAD_TASK_SUSPEND 3 -#define CALLING_OVERHEAD_TASK_RESUME 3 -#define CALLING_OVERHEAD_TASK_SET_PRIORITY 4 -#define CALLING_OVERHEAD_TASK_MODE 4 -#define CALLING_OVERHEAD_TASK_GET_NOTE 4 -#define CALLING_OVERHEAD_TASK_SET_NOTE 4 -#define CALLING_OVERHEAD_TASK_WAKE_WHEN 7 -#define CALLING_OVERHEAD_TASK_WAKE_AFTER 3 -#define CALLING_OVERHEAD_INTERRUPT_CATCH 4 -#define CALLING_OVERHEAD_CLOCK_GET 7 -#define CALLING_OVERHEAD_CLOCK_SET 7 -#define CALLING_OVERHEAD_CLOCK_TICK 2 - -#define CALLING_OVERHEAD_TIMER_CREATE 3 -#define CALLING_OVERHEAD_TIMER_IDENT 3 -#define CALLING_OVERHEAD_TIMER_DELETE 3 -#define CALLING_OVERHEAD_TIMER_FIRE_AFTER 4 -#define CALLING_OVERHEAD_TIMER_FIRE_WHEN 8 -#define CALLING_OVERHEAD_TIMER_RESET 3 -#define CALLING_OVERHEAD_TIMER_CANCEL 3 -#define CALLING_OVERHEAD_SEMAPHORE_CREATE 4 -#define CALLING_OVERHEAD_SEMAPHORE_DELETE 3 -#define CALLING_OVERHEAD_SEMAPHORE_IDENT 4 -#define CALLING_OVERHEAD_SEMAPHORE_OBTAIN 4 -#define CALLING_OVERHEAD_SEMAPHORE_RELEASE 3 -#define CALLING_OVERHEAD_MESSAGE_QUEUE_CREATE 4 -#define CALLING_OVERHEAD_MESSAGE_QUEUE_IDENT 4 -#define CALLING_OVERHEAD_MESSAGE_QUEUE_DELETE 3 -#define CALLING_OVERHEAD_MESSAGE_QUEUE_SEND 3 -#define CALLING_OVERHEAD_MESSAGE_QUEUE_URGENT 3 -#define CALLING_OVERHEAD_MESSAGE_QUEUE_BROADCAST 4 -#define CALLING_OVERHEAD_MESSAGE_QUEUE_RECEIVE 4 -#define CALLING_OVERHEAD_MESSAGE_QUEUE_FLUSH 3 - -#define CALLING_OVERHEAD_EVENT_SEND 4 -#define CALLING_OVERHEAD_EVENT_RECEIVE 4 -#define CALLING_OVERHEAD_SIGNAL_CATCH 3 -#define CALLING_OVERHEAD_SIGNAL_SEND 3 -#define CALLING_OVERHEAD_PARTITION_CREATE 4 -#define CALLING_OVERHEAD_PARTITION_IDENT 4 -#define CALLING_OVERHEAD_PARTITION_DELETE 3 -#define CALLING_OVERHEAD_PARTITION_GET_BUFFER 4 -#define CALLING_OVERHEAD_PARTITION_RETURN_BUFFER 4 -#define CALLING_OVERHEAD_REGION_CREATE 4 -#define CALLING_OVERHEAD_REGION_IDENT 3 -#define CALLING_OVERHEAD_REGION_DELETE 3 -#define CALLING_OVERHEAD_REGION_GET_SEGMENT 4 -#define CALLING_OVERHEAD_REGION_RETURN_SEGMENT 4 -#define CALLING_OVERHEAD_PORT_CREATE 4 -#define CALLING_OVERHEAD_PORT_IDENT 3 -#define CALLING_OVERHEAD_PORT_DELETE 3 -#define CALLING_OVERHEAD_PORT_EXTERNAL_TO_INTERNAL 4 -#define CALLING_OVERHEAD_PORT_INTERNAL_TO_EXTERNAL 4 - -#define CALLING_OVERHEAD_IO_INITIALIZE 4 -#define CALLING_OVERHEAD_IO_OPEN 4 -#define CALLING_OVERHEAD_IO_CLOSE 4 -#define CALLING_OVERHEAD_IO_READ 4 -#define CALLING_OVERHEAD_IO_WRITE 4 -#define CALLING_OVERHEAD_IO_CONTROL 4 -#define CALLING_OVERHEAD_FATAL_ERROR_OCCURRED 3 -#define CALLING_OVERHEAD_RATE_MONOTONIC_CREATE 3 -#define CALLING_OVERHEAD_RATE_MONOTONIC_IDENT 3 -#define CALLING_OVERHEAD_RATE_MONOTONIC_DELETE 3 -#define CALLING_OVERHEAD_RATE_MONOTONIC_CANCEL 3 -#define CALLING_OVERHEAD_RATE_MONOTONIC_PERIOD 3 -#define CALLING_OVERHEAD_MULTIPROCESSING_ANNOUNCE 2 - -#ifdef __cplusplus -} -#endif - -#endif -/* end of include file */ diff --git a/c/src/lib/libbsp/i386/force386/shmsupp/addrconv.c b/c/src/lib/libbsp/i386/force386/shmsupp/addrconv.c deleted file mode 100644 index 49d27200a0..0000000000 --- a/c/src/lib/libbsp/i386/force386/shmsupp/addrconv.c +++ /dev/null @@ -1,32 +0,0 @@ -/* Shm_Convert_address - * - * The CPU386 has a "normal" view of the VME address space. - * No address range conversion is required. - * - * Input parameters: - * address - address to convert - * - * Output parameters: - * returns - converted address - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include <rtems.h> -#include <bsp.h> -#include <shm.h> - -void *Shm_Convert_address( - void *address -) -{ - return ( address ); -} diff --git a/c/src/lib/libbsp/i386/force386/shmsupp/getcfg.c b/c/src/lib/libbsp/i386/force386/shmsupp/getcfg.c deleted file mode 100644 index 8a05cdf641..0000000000 --- a/c/src/lib/libbsp/i386/force386/shmsupp/getcfg.c +++ /dev/null @@ -1,73 +0,0 @@ -/* void Shm_Get_configuration( localnode, &shmcfg ) - * - * This routine initializes, if necessary, and returns a pointer - * to the Shared Memory Configuration Table for the FORCE CPU-386 - * - * INPUT PARAMETERS: - * localnode - local node number - * shmcfg - address of pointer to SHM Config Table - * - * OUTPUT PARAMETERS: - * *shmcfg - pointer to SHM Config Table - * - * NOTES: The FORCE CPU-386 does not have an interprocessor interrupt. - * - * The following table illustrates the configuration limitations: - * - * BUS MAX - * MODE ENDIAN NODES - * ========= ====== ======= - * POLLED BIG 2+ - * INTERRUPT **** NOT SUPPORTED **** - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include <rtems.h> -#include <shm.h> -#include <bsp.h> - -#define INTERRUPT 0 -#define POLLING 1 /* FORCE CPU-386 target is polling ONLY!!! */ - - -shm_config_table BSP_shm_cfgtbl; - -void Shm_Get_configuration( - rtems_unsigned32 localnode, - shm_config_table **shmcfg -) -{ - set_segment( get_ds(), 0x00002000, 0xffffd000 ); - - BSP_shm_cfgtbl.base = i386_Physical_to_logical( - get_ds(), - (void *) 0x20000000 - ); - - BSP_shm_cfgtbl.length = 1 * MEGABYTE; - BSP_shm_cfgtbl.format = SHM_BIG; - - BSP_shm_cfgtbl.cause_intr = Shm_Cause_interrupt; - -#ifdef NEUTRAL_BIG - BSP_shm_cfgtbl.convert = NULL_CONVERT; -#else - BSP_shm_cfgtbl.convert = CPU_swap_u32; -#endif - - BSP_shm_cfgtbl.poll_intr = POLLED_MODE; - BSP_shm_cfgtbl.Intr.address = NO_INTERRUPT; - BSP_shm_cfgtbl.Intr.value = NO_INTERRUPT; - BSP_shm_cfgtbl.Intr.length = NO_INTERRUPT; - - *shmcfg = &BSP_shm_cfgtbl; -} diff --git a/c/src/lib/libbsp/i386/force386/shmsupp/lock.c b/c/src/lib/libbsp/i386/force386/shmsupp/lock.c deleted file mode 100644 index 7e1b7874d1..0000000000 --- a/c/src/lib/libbsp/i386/force386/shmsupp/lock.c +++ /dev/null @@ -1,83 +0,0 @@ -/* Shared Memory Lock Routines - * - * This shared memory locked queue support routine need to be - * able to lock the specified locked queue. Interrupts are - * disabled while the queue is locked to prevent preemption - * and deadlock when two tasks poll for the same lock. - * previous level. - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include <rtems.h> -#include <bsp.h> -#include <shm.h> - -/* - * Shm_Initialize_lock - * - * Initialize the lock for the specified locked queue. - */ - -void Shm_Initialize_lock( - Shm_Locked_queue_Control *lq_cb -) -{ - lq_cb->lock = LQ_UNLOCKED; -} - -/* void _Shm_Lock( &lq_cb ) - * - * This shared memory locked queue support routine locks the - * specified locked queue. It disables interrupts to prevent - * a deadlock condition. - */ - -void Shm_Lock( - Shm_Locked_queue_Control *lq_cb -) -{ - rtems_unsigned32 isr_level; - volatile rtems_unsigned32 *lockptr = &lq_cb->lock; - rtems_unsigned32 lock_value; - - lock_value = SHM_LOCK_VALUE; - rtems_interrupt_disable( isr_level ); - - Shm_isrstat = isr_level; - while ( 1 ) { - asm volatile( "lock ; xchg (%0),%1" - : "=r" (lockptr), "=r" (lock_value) - : "0" (lockptr), "1" (lock_value) - ); - if ( lock_value == SHM_UNLOCK_VALUE ) - break; - delay( 10 ); /* approximately 10 microseconds */ - } -} - -/* - * Shm_Unlock - * - * Unlock the lock for the specified locked queue. - */ - -void Shm_Unlock( - Shm_Locked_queue_Control *lq_cb -) -{ - rtems_unsigned32 isr_level; - - lq_cb->lock = SHM_UNLOCK_VALUE; - isr_level = Shm_isrstat; - rtems_interrupt_enable( isr_level ); -} - diff --git a/c/src/lib/libbsp/i386/force386/shmsupp/mpisr.c b/c/src/lib/libbsp/i386/force386/shmsupp/mpisr.c deleted file mode 100644 index dc6f8433e6..0000000000 --- a/c/src/lib/libbsp/i386/force386/shmsupp/mpisr.c +++ /dev/null @@ -1,31 +0,0 @@ -/* Shm_setvec - * - * This driver routine sets the SHM interrupt vector to point to the - * driver's SHM interrupt service routine. - * - * NOTE: This routine is not used by the FORCE CPU-386 because it - * only supports polling mode. - * - * Input parameters: NONE - * - * Output parameters: NONE - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include <rtems.h> -#include <bsp.h> -#include <shm.h> - -void Shm_setvec() -{ - /* NOT USED ON FORCE CPU-386!!! */ -} diff --git a/c/src/lib/libbsp/i386/force386/startup/bspstart.c b/c/src/lib/libbsp/i386/force386/startup/bspstart.c deleted file mode 100644 index 78def6375c..0000000000 --- a/c/src/lib/libbsp/i386/force386/startup/bspstart.c +++ /dev/null @@ -1,144 +0,0 @@ -/* bsp_start() - * - * This routine starts the application. It includes application, - * board, and monitor specific initialization and configuration. - * The generic CPU dependent initialization has been performed - * before this routine is invoked. - * - * INPUT: NONE - * - * OUTPUT: NONE - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include <rtems.h> -#include <bsp.h> -#include <libcsupport.h> - -#include <stackchk.h> - -/* - * The original table from the application and our copy of it with - * some changes. - */ - -extern rtems_configuration_table Configuration; -rtems_configuration_table BSP_Configuration; - -rtems_cpu_table Cpu_table; - -/* Initialize whatever libc we are using - * called from postdriver hook - */ - -void bsp_libc_init() -{ - extern int end; - rtems_unsigned32 heap_start; - - heap_start = (rtems_unsigned32) &end; - if (heap_start & (CPU_ALIGNMENT-1)) - heap_start = (heap_start + CPU_ALIGNMENT) & ~(CPU_ALIGNMENT-1); - - RTEMS_Malloc_Initialize((void *) heap_start, 64 * 1024, 0); - - /* - * Set up for the libc handling. - */ - - if (BSP_Configuration.ticks_per_timeslice > 0) - libc_init(1); /* reentrant if possible */ - else - libc_init(0); /* non-reentrant */ - - /* - * Initialize the stack bounds checker - */ - -#ifdef STACK_CHECKER_ON - Stack_check_Initialize(); -#endif - -} - -int bsp_start( - int argc, - char **argv, - char **environp -) -{ - /* - * FORCE documentation incorrectly states that the bus request - * level is initialized to 3. It is actually initialized by - * FORCEbug to 0. - */ - - outport_byte( 0x00, 0x3f ); /* resets VMEbus request level */ - - /* - * we do not use the pretasking_hook. - */ - - Cpu_table.pretasking_hook = NULL; - - Cpu_table.predriver_hook = bsp_libc_init; /* RTEMS resources available */ - - Cpu_table.postdriver_hook = NULL; /* Call our main() for constructors */ - - Cpu_table.idle_task = NULL; /* do not override system IDLE task */ - - Cpu_table.do_zero_of_workspace = TRUE; - - Cpu_table.interrupt_table_segment = get_ds(); - - Cpu_table.interrupt_table_offset = (void *)Interrupt_descriptor_table; - - Cpu_table.interrupt_stack_size = 4096; - - Cpu_table.extra_system_initialization_stack = 0; - - /* - * Copy the table - */ - - BSP_Configuration = Configuration; - - BSP_Configuration.work_space_start = (void *) - RAM_END - BSP_Configuration.work_space_size; - - /* - * Add 1 region for Malloc in libc_low - */ - - BSP_Configuration.maximum_regions++; - - /* - * Add 1 extension for newlib libc - */ - -#ifdef RTEMS_NEWLIB - BSP_Configuration.maximum_extensions++; -#endif - - /* - * Add another extension if using the stack checker - */ - -#ifdef STACK_CHECKER_ON - BSP_Configuration.maximum_extensions++; -#endif - - rtems_initialize_executive( &BSP_Configuration, &Cpu_table ); - /* does not return */ - /* no cleanup necessary for Force CPU-386 */ - return 0; -} diff --git a/c/src/lib/libbsp/i386/force386/startup/exit.c b/c/src/lib/libbsp/i386/force386/startup/exit.c deleted file mode 100644 index 717972cec0..0000000000 --- a/c/src/lib/libbsp/i386/force386/startup/exit.c +++ /dev/null @@ -1,29 +0,0 @@ -/* - * exit - * - * This routine returns control to FORCEbug. - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include <rtems.h> -#include <bsp.h> -#include <clockdrv.h> -#include <iodrv.h> - -void _exit( ) -{ - /* Clock or Timer cleanup is run by at_exit() */ - - Io_cleanup(); - - bsp_cleanup(); -} diff --git a/c/src/lib/libbsp/i386/force386/startup/ldsegs.s b/c/src/lib/libbsp/i386/force386/startup/ldsegs.s deleted file mode 100644 index 063c1eccc7..0000000000 --- a/c/src/lib/libbsp/i386/force386/startup/ldsegs.s +++ /dev/null @@ -1,86 +0,0 @@ -/* _load_segments - * - * This file assists the board independent startup code by - * loading the proper segment register values. The values - * loaded are board dependent. - * - * NOTE: No stack has been established when this routine - * is invoked. It returns by jumping back to bspentry. - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include "asm.h" - -BEGIN_CODE - -/* - * FORCEBUG loads us into a virtual address space which - * really starts at PHYSICAL_ADDRESS_BASE. - */ - -.set PHYSICAL_ADDRESS_BASE, 0x00002000 - -/* - * At reset time, FORCEBUG normally has the segment selectors preloaded. - * If a human resets the instruction pointer, this will not have occurred. - * However, no guarantee can be made of the other registers if cs:ip was - * modified to restart the program. Because of this, the BSP reloads all - * segment registers (except cs) with the values they have following - * a reset. - */ - - -.set RESET_SS, 0x40 # initial value of stack segment register -.set RESET_DS, 0x40 # initial value of data segment register -.set RESET_ES, 0x40 # initial value of extra segment register -.set RESET_FS, 0x40 # initial value of "f" segment register -.set RESET_GS, 0x30 # initial value of "g" segment register - - -#define LOAD_SEGMENTS(_value,_segment) \ - movw $ ## _value, ax ; \ - movw _segment, ax - - EXTERN (establish_stack) - - PUBLIC (_load_segments) -SYM (_load_segments): - LOAD_SEGMENTS( RESET_SS, ss ) - LOAD_SEGMENTS( RESET_DS, ds ) - LOAD_SEGMENTS( RESET_ES, es ) - LOAD_SEGMENTS( RESET_FS, fs ) - LOAD_SEGMENTS( RESET_GS, gs ) - - jmp SYM (_establish_stack) # return to the bsp entry code - - PUBLIC (_return_to_monitor) -SYM (_return_to_monitor): - - call SYM (Clock_exit) - movb $0,al - int $0x20 # restart FORCEbug - jmp SYM (start) # FORCEbug does not reset PC - -END_CODE - -BEGIN_DATA - - PUBLIC (_Do_Load_IDT) -SYM (_Do_Load_IDT): - .byte 1 - - PUBLIC (_Do_Load_GDT) -SYM (_Do_Load_GDT): - .byte 0 - -END_DATA -END diff --git a/c/src/lib/libbsp/i386/force386/startup/linkcmds b/c/src/lib/libbsp/i386/force386/startup/linkcmds deleted file mode 100644 index a8e0877e56..0000000000 --- a/c/src/lib/libbsp/i386/force386/startup/linkcmds +++ /dev/null @@ -1,44 +0,0 @@ -/* - * This file contains directives for the GNU linker which are specific - * to the FORCE CPU386 board. - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -MEMORY - { - ram : org = 0x0, l = 1M - } - -SECTIONS -{ - .text 0x0 : - { - _text_start = . ; - *(.text) - _etext = ALIGN( 0x10 ) ; - } - .data ADDR( .text ) + SIZEOF( .text ): - { - _data_start = . ; - *(.data) - _edata = ALIGN( 0x10 ) ; - } - .bss ADDR( .data ) + SIZEOF( .data ): - { - _bss_start = . ; - *(.bss) - *(COMMON) - end = . ; - _end = . ; - __end = . ; - } -} diff --git a/c/src/lib/libbsp/i386/force386/startup/setvec.c b/c/src/lib/libbsp/i386/force386/startup/setvec.c deleted file mode 100644 index 370178a8f5..0000000000 --- a/c/src/lib/libbsp/i386/force386/startup/setvec.c +++ /dev/null @@ -1,59 +0,0 @@ -/* set_vector - * - * This routine installs an interrupt vector on the Force CPU-386. - * - * INPUT: - * handler - interrupt handler entry point - * vector - vector number - * type - 0 indicates raw hardware connect - * 1 indicates RTEMS interrupt connect - * - * RETURNS: - * address of previous interrupt handler - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include <rtems.h> -#include <bsp.h> - -i386_isr set_vector( /* returns old vector */ - rtems_isr_entry handler, /* isr routine */ - rtems_vector_number vector, /* vector number */ - int type /* RTEMS or RAW intr */ -) -{ - i386_isr previous_isr; - i386_IDT_slot idt; - - if ( type ) - rtems_interrupt_catch( handler, vector, (rtems_isr_entry *) &previous_isr ); - else { - /* get the address of the old handler */ - - idt = Interrupt_descriptor_table[ vector ]; - - previous_isr = (i386_isr) - ((idt.offset_16_31 << 16) | idt.offset_0_15); - - /* build the IDT entry */ - idt.offset_0_15 = ((rtems_unsigned32) handler) & 0xffff; - idt.segment_selector = get_cs(); - idt.reserved = 0x00; - idt.p_dpl = 0x8e; /* present, ISR */ - idt.offset_16_31 = ((rtems_unsigned32) handler) >> 16; - - /* install the IDT entry */ - Interrupt_descriptor_table[ vector ] = idt; - } - return previous_isr; -} - diff --git a/c/src/lib/libbsp/i386/force386/timer/timer.c b/c/src/lib/libbsp/i386/force386/timer/timer.c deleted file mode 100644 index 1896e15a23..0000000000 --- a/c/src/lib/libbsp/i386/force386/timer/timer.c +++ /dev/null @@ -1,96 +0,0 @@ -/* Timer_init() - * - * This routine initializes the timer on the FORCE CPU-386 board. - * - * Input parameters: NONE - * - * Output parameters: NONE - * - * NOTE: This routine will not work if the optimizer is enabled - * for some compilers. The multiple writes to the Z8036 - * may be optimized away. - * - * It is important that the timer start/stop overhead be - * determined when porting or modifying this code. - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - - -#include <rtems.h> -#include <bsp.h> - -int Ttimer_val; -rtems_boolean Timer_driver_Find_average_overhead; - -rtems_isr timerisr(); - -void Timer_initialize() -{ - - (void) set_vector( timerisr, 0x38, 0 ); /* install ISR */ - - Ttimer_val = 0; /* clear timer ISR count */ - - outport_byte( IERA, 0x40 ); /* disable interrupt */ - outport_byte( TBCR, 0x40 ); /* stop the timer */ - outport_byte( TBDR, 250 ); /* 250 units */ - - outport_byte( TBCR, 0x11 ); /* reset it, delay mode, 4X */ -#if 0 - outport_byte( TBCR, 0x13 ); /* reset it, delay mode, 16X */ -#endif - - outport_byte( IERA, 0x41 ); /* enable interrupt */ - -} - -#define AVG_OVERHEAD 3 /* It typically takes 3.0 microseconds */ - /* (3 ticks) to start/stop the timer. */ -#define LEAST_VALID 4 /* Don't trust a value lower than this */ - -int Read_timer() -{ - register rtems_unsigned32 clicks; - register rtems_unsigned32 total; - - outport_byte( TBCR, 0x00 ); /* stop the timer */ - - inport_byte( TBDR, clicks ); - - total = Ttimer_val + 250 - clicks; - - outport_byte( TBCR, 0x00 ); /* initial value */ - outport_byte( IERA, 0x40 ); /* disable interrupt */ - - /* ??? Is "do not restore old vector" causing problems? */ - - if ( Timer_driver_Find_average_overhead == 1 ) - return total; /* in one microsecond units */ - - else { - if ( total < LEAST_VALID ) - return 0; /* below timer resolution */ - return (total - AVG_OVERHEAD); - } -} - -rtems_status_code Empty_function( void ) -{ - return RTEMS_SUCCESSFUL; -} - -void Set_find_average_overhead( - rtems_boolean find_flag -) -{ - Timer_driver_Find_average_overhead = find_flag; -} diff --git a/c/src/lib/libbsp/i386/force386/timer/timerisr.s b/c/src/lib/libbsp/i386/force386/timer/timerisr.s deleted file mode 100644 index bda3056ade..0000000000 --- a/c/src/lib/libbsp/i386/force386/timer/timerisr.s +++ /dev/null @@ -1,34 +0,0 @@ -/* timer_isr() - * - * This routine provides the ISR for the Z8036 timer on the MVME136 - * board. The timer is set up to generate an interrupt at maximum - * intervals. - * - * Input parameters: NONE - * - * Output parameters: NONE - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include "asm.h" - - BEGIN_CODE - - EXTERN (Ttimer_val) - - PUBLIC (timerisr) -SYM (timerisr): - addl $250, SYM (Ttimer_val) # another 250 microseconds - iret - -END_CODE -END |